Suggestions by @cutmanisback

Emmet Brickowski

as Rebel #7 in War in the Omniverse

Score: +2

Nyan Cat

as Soundtrack in Optimus Prime: He's Somehow Alive

Score: +1

Dylan O'Brien

as Bumblebee in Optimus Prime: He's Somehow Alive

Score: +5

Peter Cullen

as Optimus Prime in Optimus Prime: He's Somehow Alive

Score: +2

Chris Wedge

as Scrat in El Tigre: The Sh*tpost Strikes Back again

Score: +2

Grey DeLisle

as Arcee in Garfield and the Crappy Mutants

Score: +1

Mr. Turner

as Mr Turner in Garfield and the Crappy Mutants

Score: +2

Robert Stack

as Ultra Magnus in Garfield and the Crappy Mutants

Score: +1

Jerry Seinfeld

as Barry b benson in Garfield and the Crappy Mutants

Score: +1

Sam Marin

as Muscle Man in Garfield and the Crappy Mutants

Score: +2

Billy West

as Rayman in Garfield and the Crappy Mutants

Score: +3

Optimus Prime (Michael Bay)

as Choreographer in Garfield and the Crappy Mutants

Score: +1

Michael Bay

as Director in Garfield and the Crappy Mutants

Score: +1

Smash Mouth

as Original Songs By in The Fairly OddParents Movie (2005-2006)

Score: +1

Judd Nelson

as Hot Rod in Garfield and the Crappy Mutants

Score: +2

Leonard Nimoy

as Galvatron in Garfield and the Crappy Mutants

Score: +2

Madyson roth/zoey fairy

as The End Dance Party Song in The Perfect 2000's Animated Movie

Score: -7

Green Alien

as XJ Negative's army in Garfield and the Crappy Mutants

Score: +2

J.K. Simmons

as The Third Sidekick in The Perfect 2000's Animated Movie

Score: +3

Billy West

as The Best Friend in The Perfect 2000's Animated Movie

Score: +6